/* 清楚默认样式 */
* {
    padding: 0;
    margin: 0;
    list-style: none;
    text-decoration: none;
}
/* 头部 */
header {
    margin: 0 auto;
    width: 1000px;
}
/* 顶部内容 */
header .head-top{
    position: relative;
    width: 1000px;
    height: 140px;
    background-color: #00b7ee;
}

/* 导航栏 */
header .head-top nav {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 1000px;
    height: 116px;
    background-color: #fff;

    padding:37px 76px 15px 76px;
    box-sizing: border-box;
}

header .head-top nav>img,
header .head-top nav>ul,
header .head-top nav>div {
    float: left;
}

header .head-top nav>img {
    margin-right: 61px;
}

header .head-top nav>ul {
    width: 457px;
    
}

header .head-top nav>ul>li {
    position: relative;
    display: inline-block;
    margin: 35px 8px 0;
}

header .head-top nav>ul>li:first-of-type::after {
    content: "";
    position:absolute;
    left: 50%;
    margin-left: -7px;;
    bottom: -7px;
    width: 14px;
    height: 2px;
    background-color: black;
}

header .head-top nav>ul>li:hover ::after {
    content: "";
    position:absolute;
    left: 50%;
    margin-left: -7px;;
    bottom: -7px;
    width: 14px;
    height: 2px;
    background-color: black;
}

header .head-top nav>ul>li>a {
    font-size: 14px;
    font-weight: bolder;
    color: black;
}

header .head-top nav .search-box {
    width: 205px;
    height: 30px;
    border: 1px solid black;
    box-sizing: border-box;
    margin-top: 29px;
}

header .head-top nav .search-box>input {
    width: 158px;
    height: 22px;
    border: none;
    vertical-align: top;
    margin-top: 2px;
    margin-left: 2px;
    outline: none;
}

header .head-top nav .search-box> img{
    width: 27px;
    margin: 3px 7px 3px 3px;
}

/* 顶部轮播图 */
header .head-carousel {
    position: relative;
    overflow: hidden;
}

header .head-carousel > ul {
    width: 3000px;
}

header .head-carousel > ul > li {
    float: left;
}

header .head-carousel > ul > li img {
    width: 1000px;
}

header .head-carousel  .dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    margin-left: -46px;
}

header .head-carousel .dots span {
    display: inline-block;
    margin: 0 6px;
    width: 15px;
    height: 15px;
    border-radius: 100%;
    background-color: #395674;
}

header .head-carousel  .dots > .dots_active {
    background-color: rgba(0, 0, 0, .5);
}

header .head-carousel .dots span:hover {
    background-color: rgba(0, 0, 0, .5);
    cursor: pointer;
}

/* .about {
    margin-top: 17px;
    margin-bottom: 19px;
} */

.about> fieldset {
    width: 145px;
    height: 42px;
    text-align: center;
    margin: 0 auto;
    border-color: #6db6ff;
}
.about > fieldset :nth-child(1) {
    font-size: 24px;
    /* font-weight: bold; */
}

.about> fieldset :nth-child(2) {
    font-size: 12px;
}

.about-box {
    /* display: inline-block; */
    width: 1000px;
    height: 482px;
    margin: 0 auto;
    background-color: #fafafa;
}

.about-box2 {
    overflow: hidden;
}

.mission {
    width: 267px;
    height: 317px;
    background-color: #f2f2f2;
    margin: 23px 0 0 51px;
    float: left;
    /* padding-right: 10px; */
}
.mission > img {
    padding: 18px 70px 18px 70px;
}

.mission>p:nth-of-type(1) {
    text-align: center;
}

.mission>p:nth-of-type(2) {
    text-align: center;
}

.mission  :nth-child(4) {
    display: inline-block;
    padding: 16px 13px 20px 13px;
    color: #838383;
    text-align: left;
    font-size: 14px; 
}

.team {
    width: 322px;
    height: 317px;
    background-color: #f2f2f2;
    margin: 23px 0 0 20px;
    float: left;
}
.team > img {
    padding: 18px 98px;
}

.team>p:nth-of-type(1) {
    text-align: center;
}

.team>p:nth-of-type(2) {
    text-align: center;
}

.team  :nth-child(4) {
    display: inline-block;
    padding: 16px 13px 20px 13px;
    color: #838383;
    text-align: left;
    font-size: 14px; 
}

.vision {
    width: 267px;
    height: 317px;
    background-color: #f2f2f2;
    margin: 23px 51px 0 20px;
    float: left;
}
.vision > img {
    padding: 18px 70px 18px 70px;
}

.vision>p:nth-of-type(1) {
    text-align: center;
}

.vision>p:nth-of-type(2) {
    text-align: center;
}

.vision  :nth-child(4) {
    display: inline-block;
    padding: 16px 13px 20px 13px;
    color: #838383;
    text-align: left;
    font-size: 14px; 
}

/* .portfolio {
    width: 1000px;
    height: 48px;
    margin:22px
} */

.portfolio > fieldset {
    width: 145px;
    height: 42px;
    text-align: center;
    margin: 0 auto;
    border-color: #6db6ff;
    margin-top: 22px;
}
.portfolio > fieldset :nth-child(1) {
    font-size: 24px;
    /* font-weight: bold; */
}

.portfolio > fieldset :nth-child(2) {
    font-size: 12px;
}

.portfolio-box {
    width: 1000px;
    height: 667px;
    margin: 22px auto;
    text-align: center;
}

.portfolio-box ul {
    width: 900px;
    margin: 0 auto;
}

.portfolio-box > ul li img {
    width: 295px;
    height: 210px;
}

.portfolio-box ul li {
    float: left;
}

.portfolio-box ul li p {
    font-size: 11px;
    font-weight: bolder;
    margin-top: 16px ;
    margin-bottom: 19px;
}

.portfolio-box ul li a {
    display: inline-block;
    width: 135px;
    height: 27px;
    background-color: #6db6ff;
    font-weight: bolder;
    text-align: center;
    color: white;
}

.portfolio-box ul li {
    margin:22px 7px 0px 0px;
}

.portfolio-box ul li:nth-of-type(3n) {
    margin:22px 0px 0px 0px;
}

.line {
    position: absolute;
    top: 21px;
    left: 380px;
    z-index: 10;
    color: white;
    
}

.line> fieldset {
    width: 145px;
    height: 49px;
    text-align: center;
    margin: 0 auto;
    border-color: #6db6ff;
}
.line >fieldset :nth-child(1) {
    font-size: 24px;
    /* color: white; */
}

.line> fieldset :nth-child(2) {
    font-size: 13px;
    /* color: white; */
} 
 .line-box {
     width: 900px;
     height: 304px;
     background-image: url(../images/首页连接图.png);
     margin: 0 auto;
     background-size: 900px;
     position: relative;
 }

 .line-box::after {
     content: "";
     position: absolute;
     width: 900px;
     height: 304px;
     background-color: rgba(0, 0, 0, .5);
 }

 .p1{
     width: 18px;
     height: 30px;
     position: absolute;
     top: 138px;
     left: 14px;    
 }

 /* 伪元素不太清楚 */
 .p1::after{
     content: "";
     width: 37px;
     height: 69px;
     background-color: rgba(0, 0, 0, .3);
     position: absolute;
     top: -17px;
     left: -6px;
 }

 .p2{
    width: 222px;
    height: 82px;
    position: absolute;
    top: 113px;
    left: 79px; 
    z-index: 10;   
}

.p3{
    width: 245px;
    height: 82px;
    position: absolute;
    top: 113px;
    left: 324px; 
    z-index: 10;   
}

.p4{
    width: 222px;
    height: 82px;
    position: absolute;
    top: 113px;
    left: 590px; 
    z-index: 10; 
}

.p5 {
    width: 18px;
    height: 32px;
    position: absolute;
    top: 138px;
    left: 867px;
}

.p5::after {
    content: "";
    
    width: 37px;
    height: 69px;
    background-color: rgba(0, 0, 0, .3);
    position: absolute;
     top: -17px;
     left: -10px;
}
.menu{
    width: 1000px;
    height: 170px;
    margin: 26px  auto;
    border-top: 1px solid #eaedf0  ;
    
}

.menu1{
    /* width: 132px;
    height: 200px; */
    float: left;
    /* background-color: blue; */
    margin: 45px 0px 0px 51px;
}

.menu  ul li{
    margin:10px 0 ;
}


.menu2{
    /* width: 132px;
    height: 200px; */
    float: left;
    /* background-color: red; */
    margin: 45px 0px 0px 51px;
} 

.menu3{
    /* width: 150px;
    height: 200px; */
    float: left;
    /* background-color: red; */
    margin: 45px 0px 0px 110px;
}

.menu4{
    /* width: 150px;
    height: 200px; */
    float: left;
    /* background-color: red; */
    margin: 45px 57px 0px 54px;
} 

.menu a{
    font-size: 13px;
    color: black;
}

.menu h3 {
    margin-bottom: 27px;
}

.tel-logo {
    
    position: relative;
    top: 45px;
    left: 17px;
}

.tel1 {
    position: relative;
    top: 9px;
    left: 67px;
}

.tel1 p:nth-child(1) {
    font-size: 16px;
    font-weight: bolder;
}
.tel1 p:nth-child(2) {
    font-size: 14px;
    font-weight: bolder;
}

.tel1 p:nth-child(3) {
    font-size: 8px;
}

.tel2 {
    font-size: 10px;
    position: relative;
    top: -37px;
    left: 200px;
}

.message{
    font-size: 16px;
    font-weight: bolder;
    position: relative;
    top: -7px;
    left: 13px;
}


/* 尾部 */
.footer {
    width: 1000px;
    height: 69px;
    background-color: #6db6ff;
    margin: 0 auto;
    margin-top: 47px;
    font-size: 11px;
    text-align: center;
}

.footer p {
    padding-top: 43px;
}